61105113 has 12 divisors (see below), whose sum is σ = 88330788. Its totient is φ = 40705440.

The previous prime is 61105087. The next prime is 61105127. The reversal of 61105113 is 31150116.

61105113 is a `hidden beast` number, since 611 + 0 + 51 + 1 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24235929 + 36869184 = 4923^2 + 6072^2 .

It is not a de Polignac number, because 61105113 - 2¹³ = 61096921 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61105153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20923 + ... + 23663.

It is an arithmetic number, because the mean of its divisors is an integer number (7360899).

Almost surely, 2^61105113 is an apocalyptic number.

It is an amenable number.

61105113 is a deficient number, since it is larger than the sum of its proper divisors (27225675).

61105113 is a wasteful number, since it uses less digits than its factorization.

61105113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5224 (or 5221 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 61105113 is about 7816.9759498159. The cubic root of 61105113 is about 393.8756962267.

Adding to 61105113 its reverse (31150116), we get a palindrome (92255229).

The spelling of 61105113 in words is "sixty-one million, one hundred five thousand, one hundred thirteen".